V2EX venturi

Venturi

释义 Definition

文丘里(管/喷嘴):一种中间收缩、两端较宽的管道结构,使流体在狭窄处流速增大、压强降低;常用于测流量、混合气体/液体、产生吸力等(与“文丘里效应 Venturi effect”相关)。

发音 Pronunciation (IPA)

/vntjri/ (亦常见 /vntri/)

例句 Examples

The Venturi increases the water speed in the narrow section.
文丘里管会让水在狭窄处流速增大。

By using a Venturi in the intake system, the engine can draw in fuel more effectively as pressure drops where the passage narrows.
在进气系统中使用文丘里结构时,通道变窄处压强下降,从而使发动机更有效地吸入燃油。

词源 Etymology

Venturi 源自意大利物理学家 Giovanni Battista Venturi(乔瓦尼巴蒂斯塔文丘里) 的姓氏。该术语用于纪念他对流体流动中压强与速度关系的研究与阐释,后来“文丘里管/文丘里效应”成为流体力学与工程领域的常用概念。

相关词 Related Words

文学与著作中的用例 Literary Mentions

  • Fox & McDonald’s Introduction to Fluid Mechanics(《Fox 与 McDonald 流体力学导论》):常用文丘里管讲解伯努利方程与流量测量。
  • Frank M. White, Fluid Mechanics(《流体力学》):以 Venturi meter(文丘里流量计)作为典型工程测量装置示例。
  • Munson et al., Fundamentals of Fluid Mechanics(《流体力学基础》):在流速压强关系与管流测量章节中讨论 Venturi。
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